﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using System.IO;

namespace WenXia
{
    class FontInstaller
    {
        string WinFontDir = System.Environment.GetEnvironmentVariable("windir") + "\\fonts\\";
        string FontFileName;
        string FontName;
        [DllImport("kernel32.dll", SetLastError = true)]
        static extern int WriteProfileString(string lpszSection, string lpszKeyName, string lpszString);
 
        [DllImport("user32.dll")]
        public static extern int SendMessage(int hWnd, // handle to destination window 
        uint Msg, // message 
        int wParam, // first message parameter 
        int lParam // second message parameter 
        );
        [DllImport("gdi32")]
        public static extern int AddFontResource(string lpFileName);
        public FontInstaller(string fontFileName, string fontName)
        {
            this.FontFileName = fontFileName;
            this.FontName = fontName;
        }  
        public void installFont()
        {
           

            int Ret;
            int Res;
            string FontPath;
            const int WM_FONTCHANGE = 0x001D;
            const int HWND_BROADCAST = 0xffff;
            FontPath = WinFontDir + "\\" + FontFileName;
            if (!File.Exists(FontPath))
            {
                File.Copy(System.Windows.Forms.Application.StartupPath + "\\"+FontFileName, FontPath);
                Ret = AddFontResource(FontPath);
                Res = SendMessage(HWND_BROADCAST, WM_FONTCHANGE, 0, 0);
                Ret = WriteProfileString("fonts", FontName + "(TrueType)", FontFileName);
            }
        }
    }
}
